diff --git a/src/ifcgeom/AbstractKernel.h b/src/ifcgeom/AbstractKernel.h
index eeb8614351..54bf1f6abf 100644
--- a/src/ifcgeom/AbstractKernel.h
+++ b/src/ifcgeom/AbstractKernel.h
@@ -157,10 +157,14 @@ namespace {
 
 	template <>
 	struct dispatch_conversion<ifcopenshell::geometry::taxonomy::type_by_kind::max> {
-		static bool dispatch(ifcopenshell::geometry::kernels::AbstractKernel* k, ifcopenshell::geometry::taxonomy::kinds, const ifcopenshell::geometry::taxonomy::ptr& item, IfcGeom::ConversionResults&) {
-            if (k->partial_success_is_success) {
-                logger::error("No conversion for " + std::to_string(item->kind()));
-            }
+		static bool dispatch(ifcopenshell::geometry::kernels::AbstractKernel* kernel, ifcopenshell::geometry::taxonomy::kinds, const ifcopenshell::geometry::taxonomy::ptr& item, IfcGeom::ConversionResults&) {
+			if (kernel->partial_success_is_success) {
+				std::string created_from;
+				if (item->instance) {
+					created_from = " (created from " + item->instance->declaration().name() + ")";
+				}
+				logger::error("No support for " + ifcopenshell::geometry::taxonomy::kind_to_string(item->kind()) + created_from + " in kernel " + kernel->geometry_library());
+			}
 			return false;
 		}
 	};
@@ -179,10 +183,14 @@ namespace {
 
 	template <>
 	struct dispatch_with_upgrade<ifcopenshell::geometry::taxonomy::upgrades::max> {
-		static bool dispatch(ifcopenshell::geometry::kernels::AbstractKernel* k, const ifcopenshell::geometry::taxonomy::ptr& item, IfcGeom::ConversionResults&) {
-            if (k->partial_success_is_success) {
-                logger::error("No conversion with upgrade for " + std::to_string(item->kind()));
-            }
+		static bool dispatch(ifcopenshell::geometry::kernels::AbstractKernel* kernel, const ifcopenshell::geometry::taxonomy::ptr& item, IfcGeom::ConversionResults&) {
+			if (kernel->partial_success_is_success) {
+				std::string created_from;
+				if (item->instance) {
+					created_from = " (created from " + item->instance->declaration().name() + ")";
+				}
+				logger::error("No support (after considering item upgrade) for " + ifcopenshell::geometry::taxonomy::kind_to_string(item->kind()) + created_from + " in kernel " + kernel->geometry_library());
+			}
 			return false;
 		}
 	};